Tire tread



FIG. 1 is a perspective view of a tire tread showing our new design, it being understood that the pattern repeats uniformly throughout the circumference of the tread;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a reduced right side elevational view thereof, the other side being a mirror image of the right side thereof; and,

FIG. 4 is an enlarged fragmentary perspective view.

In the drawings, the broken lines defining the sidewall and inner bead of the tire are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a tire tread, as shown and described. 